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			 The ornamental design for a hammer for shredding machines, as shown and described. 
			  
			  
			  
			  
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The broken lines in the drawings are directed to environment; the broken lines form no part of the claimed design.
Carpenter, Christopher M., Briscoe, Terry L., Weeks, Michael R., Graf, David M., Hoice, John P., Morrow, Daniel R.
| Patent | Priority | Assignee | Title | 
| Patent | Priority | Assignee | Title | 
| 5598981, | Sep 09 1993 | RIVERSIDE COMPANIES, LLC | Hammermill | 
| 20150129695, | |||
| 20160008819, | |||
| CN303648280, | |||
| D731564, | May 17 2013 | ESCO GROUP LLC | Hammer for shredding machines | 
| D731565, | Nov 14 2013 | ESCO GROUP LLC | Stepped hammer for shredding machines | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Jun 27 2013 | HOICE, JOHN P | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| Jun 27 2013 | CARPENTER, CHRISTOPHER M | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| Jun 27 2013 | GRAF, DAVID M | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| Jun 27 2013 | WEEKS, MICHAEL R | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| Jul 01 2013 | BRISCOE, TERRY L | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| Jul 02 2013 | MORROW, DANIEL R | ESCO Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 039099 | /0865 | |
| May 05 2015 | ESCO Corporation | (assignment on the face of the patent) | / | |||
| Jun 30 2017 | ESCO Corporation | BANK OF AMERICA, N A , AS ADMINISTRATIVE AGENT | NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS | 043070 | /0413 | |
| Jul 11 2018 | ESCO GROUP LLC | ESCO GROUP LLC | MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 046848 | /0493 | |
| Jul 11 2018 | ESCO Corporation | ESCO GROUP LLC | MERGER AND CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 046848 | /0493 | |
| Jul 11 2018 | BANK OF AMERICA, N A | ESCO Corporation | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 046355 | /0901 | 
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